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MEDIUM

hardware: Microarchitectural Fill Buffer Data Sampling (MFBDS)

Published May 30, 2019

Description

Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf

Affected products

Remediation

Red Hat statement

Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the 'Vulnerability Response' URL.

Metrics

References (29)

Change history (0)

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Sources
CVE.org / MITRE
Status PUBLISHED
Assigner intel
Published May 30, 2019
Updated May 29, 2026
Reserved Jun 11, 2018
CISA Vulnrichment
Updated May 29, 2026
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Important
Public date May 14, 2019